The Durham Quantum Light and Matter (QLM) research section in the Physics department focuses on studying the quantum properties of atoms, molecules, and solids and their interactions with light. These quantum light modules use photon entanglement to transfer MIR information to the near-infrared (NIR), where it can. Hybrid integrated miniaturized quantum light modules are newly developed components for mid-infrared (mid-IR) hyperspectral imaging and quantum optical coherence tomography (OCT) sensing. Particularly compact laser modules with unique properties are achieved by combining broadband QCL chips with MOEMS grating scanners to adjust the emission wavelength in an external optical resonator. In this tutorial, we outline the.